Empty string: Difference between revisions
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(Added Standard ML section) |
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# check that string is not empty |
# check that string is not empty |
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s <> ""</lang> |
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=={{header|Standard ML}}== |
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<lang sml>(* Assign empty string to a variable *) |
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val s = "" |
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(* Check that a string is empty*) |
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s = "" |
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(* Check that a string is nonempty *) |
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s <> ""</lang> |
s <> ""</lang> |
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